1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <sys/types.h>
30*0Sstevel@tonic-gate #include <sys/stat.h>
31*0Sstevel@tonic-gate #include <fcntl.h>
32*0Sstevel@tonic-gate #include <stdio.h>
33*0Sstevel@tonic-gate #include <unistd.h>
34*0Sstevel@tonic-gate #include "rcapd_stat.h"
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate * Return the pid of the writer of the statistics file.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate pid_t
stat_get_rcapd_pid(char * file)40*0Sstevel@tonic-gate stat_get_rcapd_pid(char *file)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate int fd;
43*0Sstevel@tonic-gate rcapd_stat_hdr_t hdr;
44*0Sstevel@tonic-gate char procfile[20];
45*0Sstevel@tonic-gate struct stat st;
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate if ((fd = open(file, O_RDONLY)) < 0)
48*0Sstevel@tonic-gate return (-1);
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate if (read(fd, &hdr, sizeof (hdr)) != sizeof (hdr)) {
51*0Sstevel@tonic-gate (void) close(fd);
52*0Sstevel@tonic-gate return (-1);
53*0Sstevel@tonic-gate }
54*0Sstevel@tonic-gate (void) close(fd);
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate (void) snprintf(procfile, 20, "/proc/%d/psinfo", (int)hdr.rs_pid);
57*0Sstevel@tonic-gate if (stat(procfile, &st) == 0)
58*0Sstevel@tonic-gate return (hdr.rs_pid);
59*0Sstevel@tonic-gate else
60*0Sstevel@tonic-gate return (-1);
61*0Sstevel@tonic-gate }
62